Summarize a wfdf object with familiar tm package look.
Usage
# S3 method for wfdf
summary(object, ...)
Arguments
object
The wfdf object
...
Ignored.
Details
Non-/sparse entries is the ratio of non-zeros to zero
counts. Sparsity is that ratio represented as a percent.
Hapax legomenon is the number(percent) of terms that appear only
once in the dialogue. Dis legomenon is the number(percent) of terms
that appear exactly two times once.